网络释义
1)voice-frequency facility terminal(VFFT),音频设施终端机2)VFFT Voice C Frequency Facility Terminal,音频设备终端3)uency terminal equipment,音频终端设备4)voice-frequency telegraph terminal,音频电报终端机5)metallic facili tyterminal(MFT),金属设施终端机6)terminal configuration facility(TCF),终端机组态设施